#include "bulb.h"
#include<bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(false);cin.tie(0)
#define fi first
#define se second
#define eb emplace_back
#define pb push_back
#define all(v) (v).begin(), (v).end()
#define pre(a) cout<<fixed;cout.precision(a)
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
const int inf = 1e9;
const ll INF = 1e18;
int n;
vector<int> l, r;
int dfs(int x) {
if(x < 0) return x;
return dfs(l[x]);
}
int FindWinner(int T, std::vector<int> L, std::vector<int> R){
n = L.size();
l = L;
r = R;
bool flag;
for(int i=0; i<n; i++) {
swap(l[i], r[i]);
flag = true;
if(dfs(0) == -2) flag = false;
for(int j=0; j>=0; j = l[j]) {
if(dfs(r[j]) == -2) flag = false;
}
swap(l[i], r[i]);
if(flag) return 1;
}
return 0;
}
